Vehicle theft is big business, especially in some cities.
This vehicle has theft-deterrent features, however, they do not make it impossible to steal.
Chevrolet Cobalt Service & Repair Manual. Precautions
1.
After disassembling power brake unit,
soak metal components in solvent.
2.
Use only alcohol on components containing
rubber. After components have been thoroughly cleaned and rinsed
in solvent, they should be washed again ...